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1J31

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1J30 1J32
#1J31

Description

China GBT 1J31 non-retentive alloy and 1J31 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 1J31
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 1J31 GBT China non-retentive alloy
Cr20Ni35
Cr20Ni30
1J06
1J12
1J13
1J16
1J17
1J18
1J22
1J30

Chemical composition(mass fraction)(wt.%) of the 1J31

C(％) Si(％) Mn(％) P(％) S(％) Ni(％) Fe(%)
0.04 0.30 ≤0.40 0.020 0.020 30.5-31.5 Bal

Mechanical Properties of steel grade 1J31

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
694 (≥) 429 (≥) 12 22 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade 1J31

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
24 - -     0.32 -  
575 471 - 21.3 242   -  
214 - 33 42.2   413 423

Heat Treatment of steel grade 1J31

Heat treated : 1768°C - 1648°C

Technological Curves of steel grade 1J31

Cross Reference Table (Equivalent Grade) of 1J31

Grade Standard Country Application
1J31 GBT China non-retentive alloy
1J30 1J32
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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